Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-816 A Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 0 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 1 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 2 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 3 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-30   
303-816 4 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 5 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 6 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 7 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      
303-816 8 Deckers CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
303-816 9 Deckers CO BALYCOMADS1  9636 QWEST CORPORATION 656      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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